Quarter	US dollars
2004-12-31	150
2005-03-31	140
2005-06-30	14
2005-09-30	19
2005-12-31	14
2006-03-31	47
2006-06-30	250
2006-09-30	183
2006-12-31	82
2007-03-31	280
2007-06-30	391
2007-09-30	625
2007-12-31	778
2008-03-31	837
2008-06-30	872
2008-09-30	770
2008-12-31	604
2009-03-31	525
2009-06-30	815
2009-09-30	843
2009-12-31	643
2010-03-31	1110
2010-06-30	1564
2010-09-30	1013
2010-12-31	1295
2011-03-31	1954
2011-06-30	2571
2011-09-30	2285
2011-12-31	2137
2012-03-31	1298
2012-06-30	1512
2012-09-30	1878
2012-12-31	2060
2013-03-31	2071
2013-06-30	3476
2013-09-30	3572
2013-12-31	3190
2014-03-31	2624
2014-06-30	2706
2014-09-30	2427
2014-12-31	2369
2015-03-31	2258
2015-06-30	1570
2015-09-30	1359
2015-12-31	1184
2016-03-31	1107
2016-06-30	1202
2016-09-30	526
2016-12-31	183
2017-03-31	175
2017-06-30	564
2017-09-30	673
2017-12-31	442
2018-03-31	455
2018-06-30	388
2018-09-30	262
2018-12-31	471
2019-03-31	470
2019-06-30	545
2019-09-30	642
2019-12-31	793
2020-03-31	842
2020-06-30	932
2020-09-30	812
2020-12-31	822
2021-03-31	1080
2021-06-30	971
2021-09-30	1192
2021-12-31	1039
2022-03-31	941
2022-06-30	880
2022-09-30	915
2022-12-31	894
2023-03-31	1135
2023-06-30	1380
2023-09-30	1038